1 is a factor of any integer. Other factors of 18 include 2,9,3,6 and 18 itself.
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1 is a factor of 18; neither 1 nor 18 is prime.
The greatest common factor of 18 and 55 is 1.
2 is a factor of 18 and is not a multiple of 3.
18(w - 1)
greatest common factor of 18 & 125 is 1.
It is 1 but the highest common factor is 18
6, is the greatest common factor of 12 and 18.
The greatest common factor of 18 and 47 is 1.
The greatest common factor of 18 , 7 = 1
1
It is: 1
Since 5 is prime, and not a factor of 18, the only positive integer common factor of 5 and 18 is 1.